diff --git a/Source/Core/AudioCommon/Src/DSoundStream.h b/Source/Core/AudioCommon/Src/DSoundStream.h
index 1766fdc2c6..b4668a9995 100644
--- a/Source/Core/AudioCommon/Src/DSoundStream.h
+++ b/Source/Core/AudioCommon/Src/DSoundStream.h
@@ -79,8 +79,10 @@ public:
     virtual void Update();
 
 #else
-	DSound(CMixer *mixer)
-		: SoundStream(mixer) {}
+public:
+	DSound(CMixer *mixer, void *hWnd = NULL)
+		: SoundStream(mixer)
+	{}
 #endif
 };